ILICINE^. 



SILVA OF NORTH AMERICA. 



105 



North American species of the section Prinos are cultivated for their showy persistent fruit, and some of 

 the Asiatic species are also occasionally seen in gardens. 



The name of the genus was bestowed upon it by Linnaeus, who discarded Tournefort's generic 

 name, Aquifolium,* and adopted the classical name of the Evergreen Oak of southern Europe, Ilex, on 

 account of the resemblance of its leaves to those of the Em-opean Holly. 



1 Inst. 600, t. 371. 



CONSPECTUS OF THE NORTH AMERICAN ARBORESCENT SPECIES. 



AQtiiFOLiUM. Parts of the flower in fours; pedicels bracted at the base; nutlets prominently few-ribbed on the back and 

 sides ; leaves evergreen. 



Leaves armed with spiny teeth. 



Young shoots glabrous or sparingly pubescent 1. I. opaca. 



Leaves serrate or entire. 



Young shoots pubescent ; calyx-lobes acuminate 2. I. Cassi:nt:. 



Young shoots puberulous ; calyx-lobes obtuse 3. I. vomitoeia. 



PbinOides. Parts of the flower in fours or fiveSj rarely in sixes ; pedicels destitute of bracts ; 

 nutlets striate, many-ribbed on the back ; leaves deciduous. 



Calyx-lobes broadly-triangular; leaves cuneate, oblong-spatulate, or lanceolate-obovate . 4. L decidtja. 

 Calyx-lobes acute; leaves ovate or lanceolate-oblong 5. L imox"ticola. 



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